Repaired Plastic Product With Infrared Visible Welding Segments
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Solution Overview
Problem
Existing repair methods for plastic products, such as boxes and urban waste containers, often result in unsatisfactory finishes and leaktightness issues, making it difficult to distinguish between new and repaired items, as they lack visible indicators of repair.
Innovation Solution
Incorporating a second plastic material with infrared or ultraviolet visible particles into the repair segments, allowing detection of repairs using specific light-emitting tools, while maintaining aesthetic and functional integrity.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Manufacturing precision
If welding material similar or identical to the original plastic is used, then the finish and leaktightness are restored, but it becomes impossible to detect whether the product has been repaired
Solution Approach 1:
The welding material is applied locally only at the repaired segment rather than throughout the entire product. This allows the repair area to have different properties (containing visible particles) while the rest of the product maintains its original appearance and properties.
Solution Approach 2:
Particles with different optical properties (visible under infrared or ultraviolet light) are incorporated into the welding material. These particles create a visual difference between repaired and non-repaired areas when exposed to appropriate light sources, enabling detection of repairs while maintaining aesthetic appearance under normal lighting conditions.
2Reliability
If external parts with screws or rivets are used to attach broken portions, then the product remains functional, but the finish becomes unsatisfactory and leaktightness is compromised
Solution Approach 1:
The mechanical fastening system (screws, rivets, external parts) is replaced with a welding system that fuses the broken portions directly. This substitution eliminates the need for external fasteners, restoring the smooth finish and leaktightness properties of the original product while maintaining structural integrity.
Solution Approach 2:
The welding material functions as a composite material that combines the base plastic matrix with embedded particles having different optical properties. This composite structure provides both the mechanical bonding needed for structural integrity and the visual indication capability through the embedded particles.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
Ensures suitable leaktightness and a finish comparable to new products, while enabling easy identification of repairs, preventing misclassification as new items.
Implementation Method 1
particles designed to be visible under the application of light comprised in the infrared or ultraviolet electromagnetic spectrum
Implementation Method 2
light comprised in the infrared or ultraviolet electromagnetic spectrum
Data Source
AI summary
The invention relates to a repaired plastic product comprising a body (1) made from a first plastic material (2) and at least one repaired segment having a second plastic material (3) comprising particles designed to be visible under the application of light (4) comprised in the infrared or ultraviolet electromagnetic spectrum.